[1] Gulhane Mil Med Acad, Sch Med, Dept Cardiol, TR-06018 Ankara, Turkey
[2] Beytepe Hosp, Dept Cardiol, Ankara, Turkey
[3] Gelibolu Hosp, Dept Cardiol, Canakkale, Turkey
[4] Gulhane Mil Med Acad, Sch Med, Dept Internal Med, TR-06018 Ankara, Turkey
[5] Gulhane Mil Med Acad, Sch Med, Dept Epidemiol, TR-06018 Ankara, Turkey